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Aipedia: HR consultants

AI pay benchmarking and equal pay risk

AI salary benchmarking can reproduce gender pay gaps if its data or job matching is biased, exposing clients to equal pay claims. HR consultants who build pay bands with these tools may face a recovery claim from the client.

In short

AI pay tools suggest salary ranges from market data, but they can carry existing pay gaps forward, match equal-value jobs to different markets and anchor on previous salary. Employers must be able to explain pay differences between men and women doing equal work, and "the tool said so" is weak. Individual pay set with no meaningful human involvement triggers Article 22C safeguards. The CIPD Code requires fair, evidence-based and unbiased work. Equal pay claims hit the employer first, but consultants may face recovery claims, which PI usually covers, subject to the wording.

How AI pay tools are used

Reward work can be part of HR consultancy. AI salary tools scrape job adverts and survey data, match a client's roles to market comparators and suggest pay ranges. Some go further, recommending individual salaries for new hires or pay rises based on performance and market position. Consultants may use these tools to build pay bands and grading structures quickly, often for clients with no reward specialist of their own.

The output looks precise: a median, quartiles, a recommended range. But the figures are only as good as the data behind them and the way the tool matched one job to another.

Where biased data creates equal pay risk

Under the Equality Act 2010, men and women doing equal work for the same employer are entitled to equal pay unless the difference is explained by a material factor unrelated to sex. "The AI tool recommended it" is not, on its own, an explanation an employer can easily rely on if it cannot show what the tool did. Employers within the gender pay gap reporting rules also publish figures that a flawed structure can worsen.

Data protection and automated pay decisions

Pay is a significant decision under UK GDPR Article 22A. If individual pay is set by a tool with no meaningful human involvement, the Article 22C safeguards apply: inform the employee, allow representations, and allow human intervention and challenge. Most banding exercises involve human judgement, but tools that set individual offers or rises automatically may cross the line.

The duties that apply

The CIPD Code requires fair, consistent and equitable policies (positive and active impact, cl.1), equal opportunity and inclusion (cl.2), an up-to-date, evidence-based service (professional service and competence, cl.2) and judgement free from bias (good character, cl.5). Benchmarking with a tool you cannot interrogate sits awkwardly with an evidence-based duty. The CIPD's 2023 AI advice also asked HR to lead on fairness, transparency and accountability.

What can go wrong

Illustrative: a consultant uses an AI tool to benchmark a client's roles and build new pay bands. The tool matches a predominantly female coordinator role to an administrative market and a predominantly male technician role to a technical market, though the client's own job evaluation would rate them as equal value. Several coordinators bring equal pay claims. The client faces back pay and costs and says its consultant should have tested the bands for sex bias.

The consultant's position

Equal pay claims are brought against the employer. The consultant's exposure comes through a recovery claim alleging negligent advice on the pay structure. Because equal pay claims can involve arrears over a period, losses can be significant. PI usually responds to negligent reward advice, subject to the policy terms; check how your wording treats losses linked to discrimination or equal pay, and whether the client's own EPL policy is likely to be involved first. See PI versus client EPL.

Practical controls

How Apex helps

Apex arranges PI for HR consultants including those who do reward and benchmarking work. A broker can check whether your policy describes reward advice as part of your services. Related: AI in performance reviews and AI in HR consulting.

Sources

Frequently asked

Can AI salary benchmarking cause equal pay problems?

Yes. If market data reflects existing gender pay gaps, or the tool matches equal-value jobs to different markets, the resulting bands can reproduce inequality. Employers need to be able to explain pay differences on grounds unrelated to sex.

Is setting pay with AI an automated decision?

Pay is a significant decision under UK GDPR. If an individual's pay is set with no meaningful human involvement, Article 22C safeguards apply. Most banding work involves human judgement, but automated offers or rises may not.

Who is liable if the client faces an equal pay claim?

The employer faces the claim. If it relied on negligent advice from its consultant, it may seek to recover losses from them. PI usually responds to such claims, subject to the policy terms and any exclusions.

What should a pay benchmarking report say about AI?

It should state which tools and data were used, how jobs were matched, what checks were run for sex bias, and the limits of the data. That makes the advice evidence-based and easier to defend.

Check your PI covers how you use AI

Tell us about your firm and the work you do. A broker will review how your current PI treats AI-assisted work, or arrange new cover. No fee for a quote. Or call 0117 325 0027.

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Apex Insurance Brokers Limited is authorised and regulated by the Financial Conduct Authority. Registered in England and Wales, company number 07014570. This page is general information about how AI is used in the profession and how insurance may respond. It is not legal, regulatory or insurance advice on your circumstances, and it does not guarantee that cover will be available or on what terms.